JPS567776A - Diesterified compound of kojic acid - Google Patents
Diesterified compound of kojic acidInfo
- Publication number
- JPS567776A JPS567776A JP13678679A JP13678679A JPS567776A JP S567776 A JPS567776 A JP S567776A JP 13678679 A JP13678679 A JP 13678679A JP 13678679 A JP13678679 A JP 13678679A JP S567776 A JPS567776 A JP S567776A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- compound
- kojic acid
- formula
- kojic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Pyrane Compounds (AREA)
- Cosmetics (AREA)
Abstract
NEW MATERIAL:A diesterified compound of kojic acid shown by the formula (R is residue after removal of carboxyl group from a 3W20C fatty carboxylic acid).
EXAMPLE: Dipalmitate of kojic acid.
USE: Useful as an active ingredient of white cosmetic. Controlling the activity of tyrosinase existing in the human skin, exhibiting a suppressive action against melanin formation and having improved whitening and antisuntan effect, the compound is effective against chromatodermatosis. Having improved storage stability and oil solubility, and harmless to the human body.
PROCESS: For example, a solution of kojic acid in pyridine is esterified with a chloride of fatty carboxylic acid, e.g., butyric acid, oleic acid, etc. at room temperatures to give a compound shown by the formula.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13678679A JPS5822151B2 (en) | 1979-10-22 | 1979-10-22 | Kojic acid diester |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13678679A JPS5822151B2 (en) | 1979-10-22 | 1979-10-22 | Kojic acid diester |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8225779A Division JPS567710A (en) | 1979-06-28 | 1979-06-28 | Whitening cosmetic |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS567776A true JPS567776A (en) | 1981-01-27 |
JPS5822151B2 JPS5822151B2 (en) | 1983-05-06 |
Family
ID=15183476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13678679A Expired JPS5822151B2 (en) | 1979-10-22 | 1979-10-22 | Kojic acid diester |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5822151B2 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986000306A1 (en) * | 1982-12-29 | 1986-01-16 | Sansho Seiyaku Co., Ltd. | Kojic acid derivatives and whitening cosmetics containing same |
JPS61197506A (en) * | 1985-02-27 | 1986-09-01 | Yakurigaku Chuo Kenkyusho:Kk | Prevention of color-blackening of living bodies with gamma-pyrone derivative |
JPS62178506A (en) * | 1986-02-01 | 1987-08-05 | Sansho Seiyaku Kk | Melanin formation suppressing external preparation |
US4919921A (en) * | 1987-09-25 | 1990-04-24 | Sansho Seiyaku Co., Ltd. | Compositions for topical use having melanin synthesis-inhibiting activity |
US4990330A (en) * | 1987-09-25 | 1991-02-05 | Sansho Seiyaku Co., Ltd. | Compositions for topical use having melanin synthesis-inhibiting activity |
JPH071151U (en) * | 1993-06-04 | 1995-01-10 | 有限会社ベスト青梅 | Fixing bracket for mounting member |
US5599528A (en) * | 1993-09-30 | 1997-02-04 | Sansho Seiyaku Co., Ltd. | Preparation for epidermis |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0263265U (en) * | 1988-10-31 | 1990-05-11 | ||
JP2002293729A (en) * | 2001-03-30 | 2002-10-09 | Sansho Seiyaku Co Ltd | Tissue-repairing agent |
JP2002293728A (en) * | 2001-03-30 | 2002-10-09 | Sansho Seiyaku Co Ltd | Astringent cosmetic |
-
1979
- 1979-10-22 JP JP13678679A patent/JPS5822151B2/en not_active Expired
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986000306A1 (en) * | 1982-12-29 | 1986-01-16 | Sansho Seiyaku Co., Ltd. | Kojic acid derivatives and whitening cosmetics containing same |
JPS61197506A (en) * | 1985-02-27 | 1986-09-01 | Yakurigaku Chuo Kenkyusho:Kk | Prevention of color-blackening of living bodies with gamma-pyrone derivative |
JPS62178506A (en) * | 1986-02-01 | 1987-08-05 | Sansho Seiyaku Kk | Melanin formation suppressing external preparation |
JPS6324968B2 (en) * | 1986-02-01 | 1988-05-23 | Sansho Seiyaku Kk | |
US4919921A (en) * | 1987-09-25 | 1990-04-24 | Sansho Seiyaku Co., Ltd. | Compositions for topical use having melanin synthesis-inhibiting activity |
US4990330A (en) * | 1987-09-25 | 1991-02-05 | Sansho Seiyaku Co., Ltd. | Compositions for topical use having melanin synthesis-inhibiting activity |
JPH071151U (en) * | 1993-06-04 | 1995-01-10 | 有限会社ベスト青梅 | Fixing bracket for mounting member |
US5599528A (en) * | 1993-09-30 | 1997-02-04 | Sansho Seiyaku Co., Ltd. | Preparation for epidermis |
Also Published As
Publication number | Publication date |
---|---|
JPS5822151B2 (en) | 1983-05-06 |
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